求翻译：：关汉卿的《窦娥冤》是元代著名的杂剧作品，它表现了封建社会的黑暗，和底层劳动人民的反抗压迫的斗争。它不仅流传于文人案头，还通过各种改编的艺术形式在民间传承。由《窦娥冤》改编的《窦娥宝卷》是一种民间说唱文艺，是清末民初宝卷的主要曲目之一。从中我们不仅可以看到《窦娥冤》在这时的影响，也看到了人们对该剧的社会的和文艺的评价。本文将主要通过对《窦娥冤》、宝卷及《窦娥宝卷》的研究，探讨《窦娥宝卷》对《窦娥冤》情节、表达等方面的变革及其变革的原因。是什么意思？

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Han: Mrs Carrie Lam Ching and grievances of the Yuan Dynasty is famous in Lorient, it works the feudal society of the dark, and the underlying the working people's struggle against oppression. It not only spread the writers desk, through a variety of art forms in the civil society. Ah by the Ombudsm

: By Guan Han-Qing Dou e's grievances is the famous works of drama in the Yuan dynasty, it expresses the feudal society of the dark, and the underlying struggle against the oppression of the working people. It not only spread the scholars desk, but also through various art forms of adaptation in the